Implementation Specialist (m/f/d) – EDI (Informatikkaufmann/-frau)

Become Implementation Specialist (m/f/d) – EDI at Retarus.

Retarus is a worldwide provider of cloud-based messaging solutions at enterprise scale. We serve over 40% of the companies listed on the S&P Global 100, e.g. Adidas, Bayer, SAP, BNP Paribas, Goldman Sachs, T-Systems, Swarovski & UPS, as well as governmental agencies and major players in markets across the world. Privately owned and founder-managed for over thirty years, Retarus is customer-oriented, stable, a fair employer, and a strategic business partner with a long-term vision. With some 500 employees in 19 offices on four continents, Retarus operates locally and thinks globally: our teams are organized across borders and are highly integrated. This makes Retarus a multicultural, multilingual, and engaging workplace. We are committed to creating a diverse and dynamic environment for our employees, with generous compensation, time off, and a global, collaborative workplace.

What we offer

- Mobile working and flexible working time

- Collaborative, diverse company culture and superior team spirit

- Flat hierarchies and great feedback culture

- Development opportunities & career perspective

- International business & cross-site collaboration

- Modern, dog-friendly offices with nice amenities

- Company-paid health insurance, public transportation, lunch vouchers and further benefits

What you´ll do

- Manage and implement customer projects for EDI, E-Invoicing and IDP services, including design, configuration, testing, and onboarding of trading partners

- Translate business requirements into technical specifications and coordinate solutions with internal teams (Product Management, Project Management, Infrastructure Services)

- Configure and validate common EDI mappings and workflows (e.g., Order (ORDERS), Order Confirmation (ORDRSP), Delivery Schedule(DELFOR/DELJIT), Delivery Notification (DESADV), Invoice (INVOIC) etc. )

- Support E-Invoicing onboarding in line with legal and market-specific standards (e.g., Peppol, FatturaPA, ZUGFeRD/XRechnung)

- Configure IDP environments and setups for new customers

- Ensure compliance with security and audit requirements (e.g., ISAE 3402, GDPR)

- Perform end-to-end testing with customers and coordinate smooth handover to operations

- Act as a key technical contact for customers during the implementation phase

- Identify opportunities for service enhancement and process optimization

What you'll need

- Knowledge of EDI standards (EDIFACT, XML, ANSI X12, VDA) and communication protocols (X400, AS2, SFTP, OFTP2, HTTPS, Webservices, APIs)

- Experience with E-Invoicing frameworks (Peppol, ZUGFeRD, XRechnung, FatturaPA or similar)

- Knowledge of technical methodologies and frameworks

- Familiarity with ERP/B2B integration (e.g., SAP IDoc, Oracle, Microsoft Dynamics)

- Excellent German and English language skills, both written and spoken (C1 level or native)

- Strong analytical skills and structured, detail-oriented working style

- High customer orientation and excellent communication skills

- Ability to manage multiple projects and deadlines in parallel

- Creative problem-solving and solution-focused mindset

- Interest in staying up to date with emerging EDI standards, E-Invoicing regulations, and integration technologies

- Self-motivated, able to work independently, and take ownership of assigned projects

What you can expect

At Retarus, you will work on impactful and dynamic projects, with real opportunities to make a difference. Our customers are leaders across diverse industries, with constantly evolving needs and high expectations. You’ll be working with cutting-edge technology and great creative leeway to meet customers’ needs – and the projects you work on will be deployed globally. Workin